* {
    margin: 0;
    padding: 0;
}

html,
body {
    width: 100%;
    height: 100%;
}

ul,
li,
ol {
    list-style: none;
    margin: 0;
    padding: 0;
}

.wrap {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: .9rem;
    background: #006699;
    z-index: 100;
    padding: .2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #fff;
}

header>a {
    font-weight: 900;
    color: #fff;
}

footer {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 1rem;
    background: #006699;
    display: flex;
    justify-content: space-around;
    align-items: center;
    z-index: 100;
}

footer>a {
    display: flex;
    flex-direction: column;
    align-items: center;
    color: #fff;
}

footer>a.now {
    color: orange;
}

footer>a>span {
    font-size: .24rem;
}

section {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    background: #fff;
}

section>.sec_cont {
    width: 100%;
    height: 100%;
    padding: .9rem 0 1rem;
    position: relative;
}

.now {
    color: orange;
}